Daxi, i.e. magnesium aluminum carbonate tablets, is comparable to colloidal bismuth pectin, which has relatively fewer side effects. Magnesium Aluminum Carbonate Tablet belongs to antacids, which can directly play a role in neutralizing gastric acid, and it is mainly used in clinic to treat gastric mucous membrane damage caused by digestive system. Taking the drug may cause increased stool frequency, constipation, dry mouth, decreased appetite, etc. Long-term use may cause side effects such as changes in serum electrolytes. Colloidal bismuth pectin belongs to gastric mucous membrane protection agent, which can be used to treat peptic ulcer, chronic superficial gastritis, chronic atrophic gastritis, gastrointestinal bleeding and other diseases. Used in regular doses, the general side effects are small, there is no liver, kidney and neurological adverse reactions, and the blood and urine routine usually do not change after taking the drug. During the period of taking the drug, the stools may be dark brown, which is normal and can be normalized after stopping the drug. It is recommended to use the above two drugs under the guidance of a physician, do not use the drug on your own.